On 2020-07-06 at 11:26 UTC, our engineers identified an issue with Avast and AVG antivirus blocking data collection for some users.
What happened?
An error message was shown to approximately 10% of website visitors who use Avast or AVG antivirus. The error message said that the connection was “safely aborted” due to “URL:Blacklist.”
Why did this issue occur?
Avast and AVG antivirus erroneously blocked access to one of our data collection servers.
What will we do to prevent this from happening in the future?
We’re in contact with Avast to determine why access was blocked erroneously and what we can do to prevent this from happening in the future.